3 files changed, 13 insertions, 7 deletions
diff --git a/executor/common.h b/executor/common.h
index f5b525cc4..a283f7fbe 100644
--- a/executor/common.h
+++ b/executor/common.h
@@ -23,7 +23,11 @@
 #endif
 
 #if defined(SYZ_EXECUTOR)
-typedef long (*syscall_t)(long, long, long, long, long, long, long, long, long);
+#ifndef SYSCALLAPI
+#define SYSCALLAPI
+#endif
+
+typedef long(SYSCALLAPI* syscall_t)(long, long, long, long, long, long, long, long, long);
 
 struct call_t {
 	const char* name;
@@ -156,4 +160,4 @@ static uint16_t csum_inet_digest(struct csum_inet* csum)
 {
 	return ~csum->acc;
 }
-#endif
-\ No newline at end of file
+#endif
diff --git a/executor/common_windows.h b/executor/common_windows.h
index 80c197a4a..dbc6b67c3 100644
--- a/executor/common_windows.h
+++ b/executor/common_windows.h
@@ -7,6 +7,7 @@
 
 #define doexit exit
 #define NORETURN
+#define SYSCALLAPI WINAPI
 
 #include "common.h"
 
diff --git a/executor/executor_windows.cc b/executor/executor_windows.cc
index 7b30e1a96..862621951 100644
--- a/executor/executor_windows.cc
+++ b/executor/executor_windows.cc
@@ -52,10 +52,11 @@ int main(int argc, char** argv)
 
 long execute_syscall(call_t* c, long a0, long a1, long a2, long a3, long a4, long a5, long a6, long a7, long a8)
 {
-	debug("%s = %p\n", c->name, c->call);
-	long res = c->call(a0, a1, a2, a3, a4, a5, a6, a7, a8);
-	debug("%s = %ld\n", c->name, res);
-	return res;
+	__try {
+		return c->call(a0, a1, a2, a3, a4, a5, a6, a7, a8);
+	} __except (EXCEPTION_EXECUTE_HANDLER) {
+		return -1;
+	}
 }
 
 void cover_open()
@@ -82,4 +83,4 @@ uint32_t* write_output(uint32_t v)
 
 void write_completed(uint32_t completed)
 {
-}
-\ No newline at end of file
+}